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Vasily Khoruzhick3bf11202011-07-06 16:52:49 +03001/*
2 * PXA270-based Zipit Z2 device
3 *
4 * Copyright (c) 2011 by Vasily Khoruzhick <anarsoul@gmail.com>
5 *
6 * Code is based on mainstone platform.
7 *
8 * This code is licensed under the GNU GPL v2.
Paolo Bonzini6b620ca2012-01-13 17:44:23 +01009 *
10 * Contributions after 2012-01-13 are licensed under the terms of the
11 * GNU GPL, version 2 or (at your option) any later version.
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +030012 */
13
Peter Maydell12b16722015-12-07 16:23:45 +000014#include "qemu/osdep.h"
Paolo Bonzini83c9f4c2013-02-04 15:40:22 +010015#include "hw/hw.h"
Paolo Bonzini0d09e412013-02-05 17:06:20 +010016#include "hw/arm/pxa.h"
Peter Maydellbd2be152013-04-09 15:26:55 +010017#include "hw/arm/arm.h"
18#include "hw/devices.h"
Paolo Bonzini0d09e412013-02-05 17:06:20 +010019#include "hw/i2c/i2c.h"
Alistair Francis8fd06712016-01-21 14:15:03 +000020#include "hw/ssi/ssi.h"
Paolo Bonzini83c9f4c2013-02-04 15:40:22 +010021#include "hw/boards.h"
Paolo Bonzini9c17d612012-12-17 18:20:04 +010022#include "sysemu/sysemu.h"
Paolo Bonzini0d09e412013-02-05 17:06:20 +010023#include "hw/block/flash.h"
Markus Armbrusterfa1d36d2014-10-07 13:59:13 +020024#include "sysemu/block-backend.h"
Paolo Bonzini28ecbae2012-11-28 12:06:30 +010025#include "ui/console.h"
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +030026#include "audio/audio.h"
Paolo Bonzini022c62c2012-12-17 18:19:49 +010027#include "exec/address-spaces.h"
Andreas Färbere25ac5f2013-07-29 17:15:55 +020028#include "sysemu/qtest.h"
Igor Mammedovba1ba5c2017-09-13 18:04:57 +020029#include "cpu.h"
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +030030
31#ifdef DEBUG_Z2
32#define DPRINTF(fmt, ...) \
33 printf(fmt, ## __VA_ARGS__)
34#else
35#define DPRINTF(fmt, ...)
36#endif
37
Stefan Weil52975c32013-12-22 15:22:57 +010038static const struct keymap map[0x100] = {
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +030039 [0 ... 0xff] = { -1, -1 },
40 [0x3b] = {0, 0}, /* Option = F1 */
41 [0xc8] = {0, 1}, /* Up */
42 [0xd0] = {0, 2}, /* Down */
43 [0xcb] = {0, 3}, /* Left */
44 [0xcd] = {0, 4}, /* Right */
45 [0xcf] = {0, 5}, /* End */
46 [0x0d] = {0, 6}, /* KPPLUS */
47 [0xc7] = {1, 0}, /* Home */
48 [0x10] = {1, 1}, /* Q */
49 [0x17] = {1, 2}, /* I */
50 [0x22] = {1, 3}, /* G */
51 [0x2d] = {1, 4}, /* X */
52 [0x1c] = {1, 5}, /* Enter */
53 [0x0c] = {1, 6}, /* KPMINUS */
54 [0xc9] = {2, 0}, /* PageUp */
55 [0x11] = {2, 1}, /* W */
56 [0x18] = {2, 2}, /* O */
57 [0x23] = {2, 3}, /* H */
58 [0x2e] = {2, 4}, /* C */
59 [0x38] = {2, 5}, /* LeftAlt */
60 [0xd1] = {3, 0}, /* PageDown */
61 [0x12] = {3, 1}, /* E */
62 [0x19] = {3, 2}, /* P */
63 [0x24] = {3, 3}, /* J */
64 [0x2f] = {3, 4}, /* V */
65 [0x2a] = {3, 5}, /* LeftShift */
66 [0x01] = {4, 0}, /* Esc */
67 [0x13] = {4, 1}, /* R */
68 [0x1e] = {4, 2}, /* A */
69 [0x25] = {4, 3}, /* K */
70 [0x30] = {4, 4}, /* B */
71 [0x1d] = {4, 5}, /* LeftCtrl */
72 [0x0f] = {5, 0}, /* Tab */
73 [0x14] = {5, 1}, /* T */
74 [0x1f] = {5, 2}, /* S */
75 [0x26] = {5, 3}, /* L */
76 [0x31] = {5, 4}, /* N */
77 [0x39] = {5, 5}, /* Space */
78 [0x3c] = {6, 0}, /* Stop = F2 */
79 [0x15] = {6, 1}, /* Y */
80 [0x20] = {6, 2}, /* D */
81 [0x0e] = {6, 3}, /* Backspace */
82 [0x32] = {6, 4}, /* M */
83 [0x33] = {6, 5}, /* Comma */
84 [0x3d] = {7, 0}, /* Play = F3 */
85 [0x16] = {7, 1}, /* U */
86 [0x21] = {7, 2}, /* F */
87 [0x2c] = {7, 3}, /* Z */
88 [0x27] = {7, 4}, /* Semicolon */
89 [0x34] = {7, 5}, /* Dot */
90};
91
92#define Z2_RAM_SIZE 0x02000000
93#define Z2_FLASH_BASE 0x00000000
94#define Z2_FLASH_SIZE 0x00800000
95
96static struct arm_boot_info z2_binfo = {
97 .loader_start = PXA2XX_SDRAM_BASE,
98 .ram_size = Z2_RAM_SIZE,
99};
100
101#define Z2_GPIO_SD_DETECT 96
102#define Z2_GPIO_AC_IN 0
103#define Z2_GPIO_KEY_ON 1
104#define Z2_GPIO_LCD_CS 88
105
106typedef struct {
107 SSISlave ssidev;
108 int32_t selected;
109 int32_t enabled;
110 uint8_t buf[3];
111 uint32_t cur_reg;
112 int pos;
113} ZipitLCD;
114
115static uint32_t zipit_lcd_transfer(SSISlave *dev, uint32_t value)
116{
117 ZipitLCD *z = FROM_SSI_SLAVE(ZipitLCD, dev);
118 uint16_t val;
119 if (z->selected) {
120 z->buf[z->pos] = value & 0xff;
121 z->pos++;
122 }
123 if (z->pos == 3) {
124 switch (z->buf[0]) {
125 case 0x74:
126 DPRINTF("%s: reg: 0x%.2x\n", __func__, z->buf[2]);
127 z->cur_reg = z->buf[2];
128 break;
129 case 0x76:
130 val = z->buf[1] << 8 | z->buf[2];
131 DPRINTF("%s: value: 0x%.4x\n", __func__, val);
132 if (z->cur_reg == 0x22 && val == 0x0000) {
133 z->enabled = 1;
134 printf("%s: LCD enabled\n", __func__);
135 } else if (z->cur_reg == 0x10 && val == 0x0000) {
136 z->enabled = 0;
137 printf("%s: LCD disabled\n", __func__);
138 }
139 break;
140 default:
141 DPRINTF("%s: unknown command!\n", __func__);
142 break;
143 }
144 z->pos = 0;
145 }
146 return 0;
147}
148
149static void z2_lcd_cs(void *opaque, int line, int level)
150{
151 ZipitLCD *z2_lcd = opaque;
152 z2_lcd->selected = !level;
153}
154
Cédric Le Goater7673bb42016-07-04 13:06:37 +0100155static void zipit_lcd_realize(SSISlave *dev, Error **errp)
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300156{
157 ZipitLCD *z = FROM_SSI_SLAVE(ZipitLCD, dev);
158 z->selected = 0;
159 z->enabled = 0;
160 z->pos = 0;
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300161}
162
163static VMStateDescription vmstate_zipit_lcd_state = {
164 .name = "zipit-lcd",
Peter A. G. Crosthwaite66530952012-07-24 12:23:22 +1000165 .version_id = 2,
166 .minimum_version_id = 2,
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300167 .fields = (VMStateField[]) {
Peter A. G. Crosthwaite66530952012-07-24 12:23:22 +1000168 VMSTATE_SSI_SLAVE(ssidev, ZipitLCD),
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300169 VMSTATE_INT32(selected, ZipitLCD),
170 VMSTATE_INT32(enabled, ZipitLCD),
171 VMSTATE_BUFFER(buf, ZipitLCD),
172 VMSTATE_UINT32(cur_reg, ZipitLCD),
173 VMSTATE_INT32(pos, ZipitLCD),
174 VMSTATE_END_OF_LIST(),
175 }
176};
177
Anthony Liguoricd6c4cf2011-12-16 13:36:39 -0600178static void zipit_lcd_class_init(ObjectClass *klass, void *data)
179{
Anthony Liguori39bffca2011-12-07 21:34:16 -0600180 DeviceClass *dc = DEVICE_CLASS(klass);
Anthony Liguoricd6c4cf2011-12-16 13:36:39 -0600181 SSISlaveClass *k = SSI_SLAVE_CLASS(klass);
182
Cédric Le Goater7673bb42016-07-04 13:06:37 +0100183 k->realize = zipit_lcd_realize;
Anthony Liguoricd6c4cf2011-12-16 13:36:39 -0600184 k->transfer = zipit_lcd_transfer;
Anthony Liguori39bffca2011-12-07 21:34:16 -0600185 dc->vmsd = &vmstate_zipit_lcd_state;
Anthony Liguoricd6c4cf2011-12-16 13:36:39 -0600186}
187
Andreas Färber8c43a6f2013-01-10 16:19:07 +0100188static const TypeInfo zipit_lcd_info = {
Anthony Liguori39bffca2011-12-07 21:34:16 -0600189 .name = "zipit-lcd",
190 .parent = TYPE_SSI_SLAVE,
191 .instance_size = sizeof(ZipitLCD),
192 .class_init = zipit_lcd_class_init,
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300193};
194
Andreas Färbera5f96db2013-12-19 21:55:44 +0100195#define TYPE_AER915 "aer915"
196#define AER915(obj) OBJECT_CHECK(AER915State, (obj), TYPE_AER915)
197
198typedef struct AER915State {
199 I2CSlave parent_obj;
200
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300201 int len;
202 uint8_t buf[3];
203} AER915State;
204
Anthony Liguori9e07bdf2011-12-04 20:28:27 -0600205static int aer915_send(I2CSlave *i2c, uint8_t data)
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300206{
Andreas Färbera5f96db2013-12-19 21:55:44 +0100207 AER915State *s = AER915(i2c);
208
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300209 s->buf[s->len] = data;
210 if (s->len++ > 2) {
211 DPRINTF("%s: message too long (%i bytes)\n",
212 __func__, s->len);
213 return 1;
214 }
215
216 if (s->len == 2) {
217 DPRINTF("%s: reg %d value 0x%02x\n", __func__,
218 s->buf[0], s->buf[1]);
219 }
220
221 return 0;
222}
223
Corey Minyardd307c282017-01-09 11:40:20 +0000224static int aer915_event(I2CSlave *i2c, enum i2c_event event)
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300225{
Andreas Färbera5f96db2013-12-19 21:55:44 +0100226 AER915State *s = AER915(i2c);
227
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300228 switch (event) {
229 case I2C_START_SEND:
230 s->len = 0;
231 break;
232 case I2C_START_RECV:
233 if (s->len != 1) {
234 DPRINTF("%s: short message!?\n", __func__);
235 }
236 break;
237 case I2C_FINISH:
238 break;
239 default:
240 break;
241 }
Corey Minyardd307c282017-01-09 11:40:20 +0000242
243 return 0;
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300244}
245
Anthony Liguori9e07bdf2011-12-04 20:28:27 -0600246static int aer915_recv(I2CSlave *slave)
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300247{
Andreas Färbera5f96db2013-12-19 21:55:44 +0100248 AER915State *s = AER915(slave);
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300249 int retval = 0x00;
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300250
251 switch (s->buf[0]) {
252 /* Return hardcoded battery voltage,
253 * 0xf0 means ~4.1V
254 */
255 case 0x02:
256 retval = 0xf0;
257 break;
258 /* Return 0x00 for other regs,
259 * we don't know what they are for,
260 * anyway they return 0x00 on real hardware.
261 */
262 default:
263 break;
264 }
265
266 return retval;
267}
268
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300269static VMStateDescription vmstate_aer915_state = {
270 .name = "aer915",
271 .version_id = 1,
272 .minimum_version_id = 1,
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300273 .fields = (VMStateField[]) {
274 VMSTATE_INT32(len, AER915State),
275 VMSTATE_BUFFER(buf, AER915State),
276 VMSTATE_END_OF_LIST(),
277 }
278};
279
Anthony Liguorib5ea9322011-12-04 20:39:20 -0600280static void aer915_class_init(ObjectClass *klass, void *data)
281{
Anthony Liguori39bffca2011-12-07 21:34:16 -0600282 DeviceClass *dc = DEVICE_CLASS(klass);
Anthony Liguorib5ea9322011-12-04 20:39:20 -0600283 I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
284
Anthony Liguorib5ea9322011-12-04 20:39:20 -0600285 k->event = aer915_event;
286 k->recv = aer915_recv;
287 k->send = aer915_send;
Anthony Liguori39bffca2011-12-07 21:34:16 -0600288 dc->vmsd = &vmstate_aer915_state;
Anthony Liguorib5ea9322011-12-04 20:39:20 -0600289}
290
Andreas Färber8c43a6f2013-01-10 16:19:07 +0100291static const TypeInfo aer915_info = {
Andreas Färbera5f96db2013-12-19 21:55:44 +0100292 .name = TYPE_AER915,
Anthony Liguori39bffca2011-12-07 21:34:16 -0600293 .parent = TYPE_I2C_SLAVE,
294 .instance_size = sizeof(AER915State),
295 .class_init = aer915_class_init,
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300296};
297
Marcel Apfelbaum3ef96222014-05-07 17:42:57 +0300298static void z2_init(MachineState *machine)
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300299{
Marcel Apfelbaum3ef96222014-05-07 17:42:57 +0300300 const char *kernel_filename = machine->kernel_filename;
301 const char *kernel_cmdline = machine->kernel_cmdline;
302 const char *initrd_filename = machine->initrd_filename;
Richard Hendersona6dc4c22011-08-11 16:07:19 -0700303 MemoryRegion *address_space_mem = get_system_memory();
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300304 uint32_t sector_len = 0x10000;
Andreas Färber5c6f4f12012-05-14 01:25:55 +0200305 PXA2xxState *mpu;
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300306 DriveInfo *dinfo;
Anthony Liguori01e04512011-08-25 14:39:18 -0500307 int be;
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300308 void *z2_lcd;
Andreas Färbera5c82852013-08-03 00:18:51 +0200309 I2CBus *bus;
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300310 DeviceState *wm;
311
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300312 /* Setup CPU & memory */
Igor Mammedovba1ba5c2017-09-13 18:04:57 +0200313 mpu = pxa270_init(address_space_mem, z2_binfo.ram_size, machine->cpu_type);
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300314
315#ifdef TARGET_WORDS_BIGENDIAN
Anthony Liguori01e04512011-08-25 14:39:18 -0500316 be = 1;
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300317#else
Anthony Liguori01e04512011-08-25 14:39:18 -0500318 be = 0;
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300319#endif
320 dinfo = drive_get(IF_PFLASH, 0, 0);
Andreas Färbere25ac5f2013-07-29 17:15:55 +0200321 if (!dinfo && !qtest_enabled()) {
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300322 fprintf(stderr, "Flash image must be given with the "
323 "'pflash' parameter\n");
324 exit(1);
325 }
326
Anthony Liguori01e04512011-08-25 14:39:18 -0500327 if (!pflash_cfi01_register(Z2_FLASH_BASE,
Avi Kivitycfe5f012011-08-04 15:55:30 +0300328 NULL, "z2.flash0", Z2_FLASH_SIZE,
Markus Armbruster4be74632014-10-07 13:59:18 +0200329 dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
Markus Armbrusterfa1d36d2014-10-07 13:59:13 +0200330 sector_len, Z2_FLASH_SIZE / sector_len,
331 4, 0, 0, 0, 0, be)) {
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300332 fprintf(stderr, "qemu: Error registering flash memory.\n");
333 exit(1);
334 }
335
336 /* setup keypad */
Andreas Färber5c6f4f12012-05-14 01:25:55 +0200337 pxa27x_register_keypad(mpu->kp, map, 0x100);
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300338
339 /* MMC/SD host */
Andreas Färber5c6f4f12012-05-14 01:25:55 +0200340 pxa2xx_mmci_handlers(mpu->mmc,
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300341 NULL,
Andreas Färber5c6f4f12012-05-14 01:25:55 +0200342 qdev_get_gpio_in(mpu->gpio, Z2_GPIO_SD_DETECT));
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300343
Anthony Liguori39bffca2011-12-07 21:34:16 -0600344 type_register_static(&zipit_lcd_info);
345 type_register_static(&aer915_info);
Andreas Färber5c6f4f12012-05-14 01:25:55 +0200346 z2_lcd = ssi_create_slave(mpu->ssp[1], "zipit-lcd");
347 bus = pxa2xx_i2c_bus(mpu->i2c[0]);
Andreas Färbera5f96db2013-12-19 21:55:44 +0100348 i2c_create_slave(bus, TYPE_AER915, 0x55);
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300349 wm = i2c_create_slave(bus, "wm8750", 0x1b);
Andreas Färber5c6f4f12012-05-14 01:25:55 +0200350 mpu->i2s->opaque = wm;
351 mpu->i2s->codec_out = wm8750_dac_dat;
352 mpu->i2s->codec_in = wm8750_adc_dat;
353 wm8750_data_req_set(wm, mpu->i2s->data_req, mpu->i2s);
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300354
Andreas Färber5c6f4f12012-05-14 01:25:55 +0200355 qdev_connect_gpio_out(mpu->gpio, Z2_GPIO_LCD_CS,
Andreas Färberf3c7d032014-06-18 00:55:18 -0700356 qemu_allocate_irq(z2_lcd_cs, z2_lcd, 0));
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300357
Peter Maydelldacecf52013-10-25 15:44:38 +0100358 z2_binfo.kernel_filename = kernel_filename;
359 z2_binfo.kernel_cmdline = kernel_cmdline;
360 z2_binfo.initrd_filename = initrd_filename;
361 z2_binfo.board_id = 0x6dd;
362 arm_load_kernel(mpu->cpu, &z2_binfo);
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300363}
364
Eduardo Habkoste264d292015-09-04 15:37:08 -0300365static void z2_machine_init(MachineClass *mc)
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300366{
Eduardo Habkoste264d292015-09-04 15:37:08 -0300367 mc->desc = "Zipit Z2 (PXA27x)";
368 mc->init = z2_init;
Peter Maydell4672cbd2017-09-07 13:54:54 +0100369 mc->ignore_memory_transaction_failures = true;
Igor Mammedovba1ba5c2017-09-13 18:04:57 +0200370 mc->default_cpu_type = ARM_CPU_TYPE_NAME("pxa270-c5");
Vasily Khoruzhick3bf11202011-07-06 16:52:49 +0300371}
372
Eduardo Habkoste264d292015-09-04 15:37:08 -0300373DEFINE_MACHINE("z2", z2_machine_init)